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For the Inventor, By the Inventor

Ontario, CA, United States of America

Test Rite Product Corp.


USPTO Granted Patents = 3

Forward Citations = 15

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2 inventors (with patents filed for the assignee):

goldMedal Kevin Kai Huang (2 out of 2 patents)

silverMedal Joseph Wall (1 out of 8 patents)


3 patents:

1. 10040188 - Ratchet handle having an extension member (2018-08-07),
2. D778698 - Ratchet handle having a removable extension member (2017-02-14),
3. 9352904 - Trashcan having a detachable liner engagement member (2016-05-31),
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USPTO Data Jan 1 1976 - Dec 16 2025

3 Patents

#49 in Ontario, CA

#16,407 in California

#71,949 in US

...
Ontario, CA, United States of America

Test Rite Product Corp.

Forward Citations = 15

2 inventors:

goldMedal Kevin Kai Huang (2 out of 2 patents)

silverMedal Joseph Wall (1 out of 8 patents)

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